CompTIA A+ Core 1 · 220-1101

Objective 5.3: Troubleshoot and diagnose problems with storage drives and RAID arrays

Practice questions for A+ Core 1 objective 5.3, Troubleshoot and diagnose problems with storage drives and RAID arrays.” Every question is original, written to the 220-1101 exam objectives, and comes with a full explanation — answer them below to see instant grading.

This objective sits in Domain 5.0: Hardware and Network Troubleshooting, which is about 29% of the exam — so mastering it moves your readiness score meaningfully.

1.A workstation's storage LED is continuously lit without any user activity. What does this indicate?

2.A technician connects a replacement hard drive and hears a loud clicking noise when the drive is powered on. What does this indicate?

3.A technician is setting up a RAID array for a small business requiring both redundancy and improved read performance with at least three drives. Which RAID level BEST meets these requirements?

4.After replacing a failed drive in a RAID 5 array, the rebuild process takes over 12 hours and the array remains in a degraded state during this time. What is the PRIMARY risk during this rebuild period?

5.A workstation running Windows shows a drive in Disk Management as "Foreign." What does this indicate?

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